Four letter words are a Word Game. And "Word Game" are two four letter words.
When I was [adjective] than I am now, my [relative] introduced me to a game called "Mad Libs". It took me several [plural time period] till I really understood both how to play, and why the [noun] was as fun and funny as it was. When I first learned how to program a [noun], it was the first program that more than a couple of my closest friends [verb]. It probably helped me somewhat in my English classes, although I never became a very [adjective] grammarian or speller because of it. But because of it, I've always had an interest in puns and other [plural noun]. It [verb] my thinking when I wrote Addventure. When I first joined [website], I wondered if it would make a good application - and I may still write a version of it for that platform (although I note that there is an official app for the i[noun], this always seemed more of a social game). You can still see new versions if you [verb] through many stores. Even this very [noun] can be seen as a word game.
News comes today that Leonard B. Stern, one of the authors of Mad Libs passed away last Tuesday at the age of 88.